Technology 8 Celebrity Inventions That Are Actually Smart Share Read Later prev10 of 10nextView AllMore Lists Full List celebtechJames CameronFrancis Ford Coppola: Backscratching t-shirtNeil Young: Model Train TechZeppo Marx: Pulse rate monitor and heating padPrince: Portable electronic keyboardPaula Abdul: Dynamic microphone standMichael Jackson: Anti-gravity shoesMarlon Brando: Bongo drum tunerHedy Lamarr: Nascent WiFi